Base | Representation |
---|---|
bin | 10010010111001… |
… | …100011011011001 |
3 | 210110200120201220 |
4 | 102113030123121 |
5 | 1112331220410 |
6 | 50323002253 |
7 | 10430360400 |
oct | 2227143331 |
9 | 713616656 |
10 | 308070105 |
11 | 1489966a2 |
12 | 87209389 |
13 | 4ba95105 |
14 | 2ccb4637 |
15 | 1c0a5070 |
hex | 125cc6d9 |
308070105 has 48 divisors (see below), whose sum is σ = 587430144. Its totient is φ = 137383680.
The previous prime is 308070097. The next prime is 308070127. The reversal of 308070105 is 501070803.
It is not a de Polignac number, because 308070105 - 23 = 308070097 is a prime.
It is a super-2 number, since 2×3080701052 = 189814379189422050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25024 + ... + 35246.
It is an arithmetic number, because the mean of its divisors is an integer number (12238128).
Almost surely, 2308070105 is an apocalyptic number.
308070105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
308070105 is a deficient number, since it is larger than the sum of its proper divisors (279360039).
308070105 is a wasteful number, since it uses less digits than its factorization.
308070105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10286 (or 10279 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 308070105 is about 17551.9259626971. The cubic root of 308070105 is about 675.3825759898.
The spelling of 308070105 in words is "three hundred eight million, seventy thousand, one hundred five".
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